超几何级数

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(158) / 评论(0) 分类 数学英语

托福阅读的考察特点是比较明显的,虽然其选文都是科普文或者其他学术性文章,但是却不考察学术概念本身,而将考察重点落脚在常见词汇以及常见表达上。有很多考生对于这一特点并不熟

发表于:2018-12-19 / 阅读(153) / 评论(0) 分类 新托福写作真题解析

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los

发表于:2018-12-30 / 阅读(140) / 评论(0) 分类 词汇大师(Wordmaster)

by Jason Marshall In the last article, we began talking about mathematical sequencesin particular, a type of sequence known as an arithmetic sequence. Today, were going to turn our attention to another type of sequence called a geometric sequence. In

发表于:2019-01-02 / 阅读(191) / 评论(0) 分类 数学英语

Researcher: Vitamins and Mineral Supplements Slow Progression of HIV 补充维生素和矿物质放缓艾滋发展 WASHINGTON Patients with HIV, the virus that causes AIDS, often develop vitamin deficiencies. A new study has found that giving these p

发表于:2019-01-03 / 阅读(113) / 评论(0) 分类 VOA常速英语2013年(十一月)

New Treatment Could Prevent, Reverse Alzheimers New research suggests that a brain protein that has changed form may be the cause of brain disorders -- including Alzheimers Disease. Researchers say they have developed a treatment that may cause the p

发表于:2019-01-12 / 阅读(135) / 评论(0) 分类 2015年VOA慢速英语(八)月

By Zulima Palacio Santa Fe, New Mexico 27 August 2007 The western U.S. state of New Mexico has 19 Pueblo tribal communities, some of them among the oldest American Indian settlements in the United States. Many of them are well known for their pottery

发表于:2019-01-13 / 阅读(217) / 评论(0) 分类 2007年VOA标准英语(八月)

Aggressive HIV Found in Cuba 古巴发现一种侵袭性艾滋病毒 An aggressive form of HIV has been discovered in Cuba. It develops into full-blown AIDS within just three years. Researchers said the progression happens so fast that treatment with

发表于:2019-01-14 / 阅读(114) / 评论(0) 分类 VOA标准英语2015年(二月)

4.常见疾病名称 Internal Medicine 内科 Acidosis 酸中毒 Adams-Stokes syndrome 亚-斯氏综合症 alcoholism, alcoholic intoxication 酒精中毒 alkalosis 碱中毒 anaphylaxis 过敏症 anemia 贫血 iron deficiency anemia 缺铁性贫血

发表于:2019-01-17 / 阅读(198) / 评论(0) 分类 英文语法词汇

1. Dude, stop drinking, you are already hammered. 哥们,别喝了,你醉了。 hammer 既可作名词又可以作动词,都与锤有关。 hammered 除了可以表示成形的,锤制过的以外,在美语里可以表示喝醉的,与drunk同

发表于:2019-01-21 / 阅读(134) / 评论(0) 分类 英语口语

HEALTH REPORT - Progression of Age-Related Macular Degeneration By Nancy Steinbach Broadcast: Wednesday, January 28, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. American

发表于:2019-01-30 / 阅读(180) / 评论(0) 分类 健康与经济

今天我们要学的词是gifted。 Gifted, 是有天才、有天赋的意思。A gifted musician, 意思是天才音乐家。A gifted dancer, 意思是很有天赋的舞蹈家。Gifted children, 是指天才儿童。 美国的教育系统为智障儿

发表于:2019-02-03 / 阅读(120) / 评论(0) 分类 英语每日一词

It is not your average police car. 这可不是一辆普通的警车。 Abu Dhabi's Police Department has revealed its latest vehicle - a $3.4m hypercar with a surveillance system robocop would be proud of. 阿布扎比的警察部门曝光了他们最

发表于:2019-02-05 / 阅读(146) / 评论(0) 分类 阅读空间

A new app promises to revolutionise the way we take pictures, creating hypnotic animated loops of everyday snapshots to be shared on social media. 一个新应用程序立志要颠覆我们的拍照方式,称可以创建一种能在社交媒体上共

发表于:2019-02-06 / 阅读(155) / 评论(0) 分类 阅读空间

WASHINGTON, Sept. 15 (Xinhua) -- Spending more time outdoors may reduce the risk of developing nearsightedness in children, a Chinese study said Tuesday. The study, published in the Journal of the American Medical Association, looked at about 1,800 c

发表于:2019-02-08 / 阅读(140) / 评论(0) 分类 英语新闻

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los

发表于:2019-02-14 / 阅读(164) / 评论(0) 分类 英语单词大师-Word Master

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the subject or the object of a sentence. We've los

发表于:2019-02-14 / 阅读(158) / 评论(0) 分类 英语单词大师-Word Master

Broadcast on COAST TO COAST: March 11, 2004 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster -- getting hyper about correctness. RS: English once had a system where nouns took different forms depending on whether they were the su

发表于:2019-02-16 / 阅读(120) / 评论(0) 分类 词汇大师(Wordmaster)

The gift of tongues. 语言的天赋。 What makes some people learn language after language? 何者吸引一些人接二连三地学习多门语言? Babel No More: The Search for the World's Most Extraordinary Language Learners. 消逝的巴别塔:寻

发表于:2019-02-17 / 阅读(156) / 评论(0) 分类 阅读空间

His's perivascular Chinese希斯血管周隙(脑与脊髓血管动脉外膜和神经胶质血管周围界膜之间的间隙) His's zones Chinese希斯区(胚神经管的四个纵增厚束) Histology Chinese组织学 Hitzig's gridle Chinese希茨希带(与乳房同高的一环状痛觉缺失区) Hitzig's test Chinese

发表于:2019-02-26 / 阅读(194) / 评论(0) 分类 英文语法词汇
学英语单词
afterfiring zone
Ahiam
allowable density of harmful gas
alternate transmission
antiodorant
archaeointensities
Arpacay
asmat
attediation
auto-alarm
bailiff's follower
Bird Parker
box-office bombs
Bralin
bruschi
buckypaper
buildabler
caganer
charge coupled device star sensor
clavicular fracture
coaguloviscosimeter
cosmicism
cross-pollinations
date roller
differentials of higher order
distributed constant circuit
dust fall
EMT (end of tape)
endless roller chain
ensemble of communication
fistfighting
fluid pressure molding
free from duty
Froebelism
garrigus
gastrosplenic ligaments
gaulding
go-it-alone
green-backed heron
gullied surface
Halogen Method
helping to
in the Neck
in the swish
inessive
intrafusion
jawr
juruas
knock someone off
Kowarsky's tests
Kruzenshterna, Proliv
Kulikovo
lath crib
letting
masulah
material balance reports
melocanna baccifera
metal-detector
metaplasis
micro-drop-unit
mioticphase
moving area
mycoestrogen
neurilemmomata
non appearance
Nsuta
Nukunonu
offenders in corruption
on call maintenance
one-atom-at-a-time chemistry
os ischii
oscillator stage
outweighing
perrer
philatelies
position of bottom plane of main girder
pricking of one's thumbs
primary collecting duct
random-orbit satellite system
rod-mesh skeleton
sacral vertebras
serpentine kame
single-row layout
smoothing by sight
speranza
spy-rings
strumoderma
stylosoides
superromantic
supply and sales agency
talk some sense into someone
time lag release
tinhorn
treillaged
tuberculosis solitaria choroidea
turnbaugh
undermining resorption
unplagiarized
urea citrate
us sag
Valea lui Mihai
yield pick-up swap